SiDAX Performance | Structural Timber Screws | PoziDrive | Countersunk | Yellow Zinc | 4.0 x 30mm | Box 200 pcs (STS01-040030)

• Deep PoziDrive recess for drive control and reduced cam out
• Ribs under head for easy countersinking
• 40º deep single thread with serrated lead threads & helix shank to remove debris and improve clamping
• Type 17 slash for quick start & easy cut
• Includes Driver Bit

The SiDAX Structural Timber Screw is ETA Approved & designed for a wide variety of both light & heavy-duty wood fastening, featuring a Pozi recess for optimal torque transfer and a double countersunk head for a flush finish that minimizes timber splitting. The Type 17 slash point ensures rapid insertion and reduces the need for pre-drilling, enhancing installation speed. Finished in zinc and yellow, it offers added corrosion resistance and easy identification. Ideal for structural timber, and general wood construction where strength and reliability are essential.